Doof
abbr. 单失效数据
🗣️ 情景例句
When my grandpa is in a bad mood, he's grouchy with everyone.
爷爷脾气坏的时候，对所有的人都不满意。
Sometimes gain is to lose.
有时得即是失。
The one behind the tree.
在树后面的那个女孩。